Sato is a rotten guy who reads BL manga in secret and lives his life gushing over school uniforms on the commuter train. One day, he comes home to find that his room in the apartment has sprung a leak and the room downstairs is flooded! Sato ends up living together with the room's resident, a handsome, hardworking guy named Arihara. In a dream that night, his fantasies quickly spread and ....... This is the first episode of a heart-wrenching and realistic depiction of the complicated hearts of men!